Revert of Add sync_unit_tests to the default test suite on iOS.

Revert of Add sync_unit_tests to the default test suite on iOS. (patchset #1 id:1 of https://codereview.chromium.org/2224233002/ )

Reason for revert:
sync_unit_tests is a stub that should no longer be build nor run on the bots, reverting after discussion with maxbogue.

Original issue's description:
> Add sync_unit_tests to the default test suite on iOS.
>
> This test is part of the default downstream test suite on iOS so
> add it to the default upstream test suite too.
>
> BUG=None
>
> Committed: https://crrev.com/72865779ebbb3524a76bc36f7a0c356d39d543a8
> Cr-Commit-Position: refs/heads/master@{#410571}

TBR=kkhorimoto@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Committed: https://crrev.com/c76b4b6c3b21025e4c32124e1ceedd637e34cdf7
Cr-Commit-Position: refs/heads/master@{#410787}

[sdefresne, 2016-08-09 20:09:47]

The CQ bit was checked by sdefresne@chromium.org

[sdefresne, 2016-08-09 20:09:47]

Created Revert of Add sync_unit_tests to the default test suite on iOS.

[commit-bot: I haz the power, 2016-08-09 20:10:24]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-09 20:11:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-09 20:12:59]

Description was changed from

==========
Revert of Add sync_unit_tests to the default test suite on iOS. (patchset #1
id:1 of https://codereview.chromium.org/2224233002/ )

Reason for revert:
sync_unit_tests is a stub that should no longer be build nor run on the bots,
reverting after discussion with maxbogue.

Original issue's description:
> Add sync_unit_tests to the default test suite on iOS.
> 
> This test is part of the default downstream test suite on iOS so
> add it to the default upstream test suite too.
> 
> BUG=None
> 
> Committed: https://crrev.com/72865779ebbb3524a76bc36f7a0c356d39d543a8
> Cr-Commit-Position: refs/heads/master@{#410571}

TBR=kkhorimoto@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None
==========

to

==========
Revert of Add sync_unit_tests to the default test suite on iOS. (patchset #1
id:1 of https://codereview.chromium.org/2224233002/ )

Reason for revert:
sync_unit_tests is a stub that should no longer be build nor run on the bots,
reverting after discussion with maxbogue.

Original issue's description:
> Add sync_unit_tests to the default test suite on iOS.
>
> This test is part of the default downstream test suite on iOS so
> add it to the default upstream test suite too.
>
> BUG=None
>
> Committed: https://crrev.com/72865779ebbb3524a76bc36f7a0c356d39d543a8
> Cr-Commit-Position: refs/heads/master@{#410571}

TBR=kkhorimoto@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Committed: https://crrev.com/c76b4b6c3b21025e4c32124e1ceedd637e34cdf7
Cr-Commit-Position: refs/heads/master@{#410787}
==========

[commit-bot: I haz the power, 2016-08-09 20:13:00]

Patchset 1 (id:??) landed as
https://crrev.com/c76b4b6c3b21025e4c32124e1ceedd637e34cdf7
Cr-Commit-Position: refs/heads/master@{#410787}